/*
 * Copyright (C) 2011 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.yggdrasil.easyperipheral.device;

import com.yggdrasil.easyperipheral.util.ChangeNotifier;

public interface Joystick extends ChangeNotifier {

  /**
   * Returns the X position of the joystick as a float from 0 to 1. 
   * Where 0 and 1 are the extremes, and .5f is the middle.
   * @return relative X position
   */
  public float getX();
  
  
  /**
   * Returns the Y position of the joystick as a float from 0 to 1. 
   * Where 0 and 1 are the extremes, and .5f is the middle.
   * @return relative Y position
   */
  public float getY();
  
  /**
   * @return Button pressed
   */
  public boolean isButtonPressed();

}
